. >> reporter: in an interview with tell money doe, president obama was surprisingly stern about the egyptian response. >> and if they take action that indicate they're not taking those responsibilities, as all other countries do where we have embassies, i think that's going to be a real big problem. >> reporter: and the u.s. embassy in cairo pointed out that while the muslim brotherhood's english twitter feed pledged support for the u.s., its arabic language field was focused on decrying the film. "have you checked our your own arabic fields? i hope you know we read those, too." the protests will likely continue into friday, the muslim holy day, and u.s. embassies around the world remain on high alert. the aftermath of a low budget film with horrible reviews, but a huge and angry audience. for "nightline," i'm martha raddatz in washington. >> martha raddatz on the continuing turmoil in the middle east. "good morning america's" going to have the latest developments in the morning on this story. tomorrow is a big day in the middle east. >>> next up, we're going to change gears. we're